Home / 2,138,924.75-2,951,716.16-1,279,521.23

Finding the Fourth Proportional to 2,138,924.75, 2,951,716.16 and 1,279,521.23

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Solution

The fourth proportional to 2,138,924.75, 2,951,716.16 and 1,279,521.23 is: 1,765,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,924.75 : 2,951,716.16 = 1,279,521.23 : x
  2. Step 2: Convert to fraction form
    2,138,924.75/2,951,716.16 = 1,279,521.23/x
  3. Step 3: Cross multiply
    2,138,924.75x = 2,951,716.16 × 1,279,521.23
  4. Step 4: Simplify right side
    2,138,924.75x = 3,776,783,485,256.47
  5. Step 5: Solve for x
    x = 3,776,783,485,256.47/2,138,924.75
  6. Step 6: Final answer
    x = 1,765,739.30

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.